[evolution] [ECalOps] ECalModel not always provided when creating a new component editor

[Milan Crha <mcrha src gnome org>]

commit 5e1a4b21ee47a5dbf96a1807f2d45a1dd9f282f1
Author: Milan Crha <mcrha redhat com>
Date:   Fri Oct 31 18:11:05 2014 +0100

    [ECalOps] ECalModel not always provided when creating a new component editor
    
    Produced runtime warnings.

 calendar/gui/e-cal-ops.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)
---
diff --git a/calendar/gui/e-cal-ops.c b/calendar/gui/e-cal-ops.c
index 610b1c7..cd8224e 100644
--- a/calendar/gui/e-cal-ops.c
+++ b/calendar/gui/e-cal-ops.c
@@ -1493,10 +1493,12 @@ new_component_data_free (gpointer ptr)
                        }
 
                        if (editor) {
-                               g_signal_connect (editor, "object-created",
-                                       G_CALLBACK (cal_ops_emit_model_object_created), ncd->model);
+                               if (ncd->model) {
+                                       g_signal_connect (editor, "object-created",
+                                               G_CALLBACK (cal_ops_emit_model_object_created), ncd->model);
 
-                               g_object_set_data_full (G_OBJECT (editor), "e-cal-ops-model", g_object_ref 
(ncd->model), g_object_unref);
+                                       g_object_set_data_full (G_OBJECT (editor), "e-cal-ops-model", 
g_object_ref (ncd->model), g_object_unref);
+                               }
 
                                comp_editor_edit_comp (editor, ncd->comp);
                                gtk_window_present (GTK_WINDOW (editor));